16015340 has 24 divisors (see below), whose sum is σ = 36690192. Its totient is φ = 5823680.

The previous prime is 16015331. The next prime is 16015357. The reversal of 16015340 is 4351061.

It is a super-2 number, since 2×16015340² = 512982230631200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36179 + ... + 36618.

It is an arithmetic number, because the mean of its divisors is an integer number (1528758).

Almost surely, 2^16015340 is an apocalyptic number.

16015340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16015340 is an abundant number, since it is smaller than the sum of its proper divisors (20674852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16015340 is a wasteful number, since it uses less digits than its factorization.

16015340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72817 (or 72815 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 16015340 is about 4001.9170406194. The cubic root of 16015340 is about 252.0647142104.

The spelling of 16015340 in words is "sixteen million, fifteen thousand, three hundred forty".